FR803109A - Improvement in alternating current transmission methods and application device - Google Patents
Improvement in alternating current transmission methods and application deviceInfo
- Publication number
- FR803109A FR803109A FR803109DA FR803109A FR 803109 A FR803109 A FR 803109A FR 803109D A FR803109D A FR 803109DA FR 803109 A FR803109 A FR 803109A
- Authority
- FR
- France
- Prior art keywords
- improvement
- alternating current
- application device
- current transmission
- transmission methods
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
- H04J1/065—Synchronisation of carrier sources at the receiving station with the carrier source at the transmitting station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
- H04L27/2277—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using remodulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR709122X | 1935-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR803109A true FR803109A (en) | 1936-09-23 |
Family
ID=9069280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR803109D Expired FR803109A (en) | 1935-06-06 | 1935-06-06 | Improvement in alternating current transmission methods and application device |
Country Status (3)
Country | Link |
---|---|
US (1) | US2108117A (en) |
DE (1) | DE709122C (en) |
FR (1) | FR803109A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1016320B (en) * | 1954-12-23 | 1957-09-26 | Gen Electric | Device for synchronizing the carrier shaft generator in a receiver for the reception of vibrations with a suppressed or partially suppressed carrier |
DE1238966B (en) * | 1964-07-17 | 1967-04-20 | Ibm | Circuit for the receiver-side recovery of the carrier of electrical high-frequency oscillations modulated according to the residual sideband method |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE472065A (en) * | 1941-01-17 | |||
CH254954A (en) * | 1945-10-04 | 1948-05-31 | Patelhold Patentverwertung | Device for receiving a phase-shifted oscillation. |
US2513803A (en) * | 1948-01-29 | 1950-07-04 | Rca Corp | Receiver and diversity receiver system |
FR987064A (en) * | 1949-03-28 | 1951-08-08 | Cie Ind Des Telephones | Improvements to receiving devices for suppressed carrier transmission systems |
US2987617A (en) * | 1956-10-19 | 1961-06-06 | Hazeltine Research Inc | Apparatus for converting a vestigialside-band carrier to a double-sideband carrier |
US3088069A (en) * | 1958-06-23 | 1963-04-30 | Ibm | Intelligence communication system |
US3130367A (en) * | 1959-06-01 | 1964-04-21 | Itt | Frequency translation and compression system |
US3158864A (en) * | 1960-12-27 | 1964-11-24 | Space General Corp | Self-synchronizing communication system |
-
1935
- 1935-06-06 FR FR803109D patent/FR803109A/en not_active Expired
- 1935-11-27 DE DES120589D patent/DE709122C/en not_active Expired
-
1936
- 1936-01-24 US US60607A patent/US2108117A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1016320B (en) * | 1954-12-23 | 1957-09-26 | Gen Electric | Device for synchronizing the carrier shaft generator in a receiver for the reception of vibrations with a suppressed or partially suppressed carrier |
DE1238966B (en) * | 1964-07-17 | 1967-04-20 | Ibm | Circuit for the receiver-side recovery of the carrier of electrical high-frequency oscillations modulated according to the residual sideband method |
Also Published As
Publication number | Publication date |
---|---|
US2108117A (en) | 1938-02-15 |
DE709122C (en) | 1941-08-06 |
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